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IC73053: DROP AND CALL PROCEDURE STATEMENTS RUNNING CONCURRENTLY MAY DEADLOCK

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • While having two or more connections to the database if an
    attempt is made to drop a procedure, while another connection is
    calling or creating a procedure with the same name, though in a
    different schema, a deadlock may occur. This is to complete
    previous fix.
    

Local fix

  • Avoid "drop and create procedure with same name" at same time.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All DB2 for Linux, Unix and Windows Version 9.5 GA through   *
    * Fix Pack 7 servers where concurrent create/drop stored       *
    * procedures are running.                                      *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * Creating and dropping SQL procedures with the same name may  *
    * hit deadlocks.  The internal catalog access/locking strategy *
    * causes these issues.                                         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update your instance to DB2 Version 9.5 Fix Pack 8 or avoid  *
    * creating and dropping SQL procedures concurrently.           *
    ****************************************************************
    

Problem conclusion

  • Problem is first fixed in DB2 Version 9.5 Fix Pack 8 and all
    subsequent Fix Packs.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC73053

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    950

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-12-06

  • Closed date

    2011-08-04

  • Last modified date

    2011-08-04

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    IC73327 IC73328

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R950 PSN

       UP

  • R970 PSN

       UP

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Document Information

Modified date:
04 August 2011